Abstract
Aiming towards a better understanding of the structural response presented by multi-perforated clay brick masonry, this paper presents the results of an experimental program focused on characterizing the behavior of its constituent materials and interfaces, and on providing numerical strategies to appropriately reproduce that behavior. Different displacement controlled test set-ups were carried out in the laboratory for this purpose, giving special attention to characterizing the shear response at horizontal unit-mortar interface in order to point out the influence that mortar spikes penetrating into the perforated bricks cavities can exert. According to its detailed consideration of materials and interfaces, the detailed micro-modeling numerical approach was selected for this study. The numerical strategies proposed have led to a satisfactory reproduction of the shear triplet tests and diagonal compression tests that were performed, showing that the complex structural response of multi-perforated clay brick masonry can be appropriately reproduced from experimental evidence.
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Acknowledgments
This research has been funded by the Chilean Fondo Nacional de Ciencia y Tecnología, (Fondecyt de Iniciación) through Grant No 11121161. The authors would like to thank the technician Camilo Guzmán and undergraduate student Carlos González for the support during the tests. The second author also wants to acknowledge the resources provided by the Institute of Engineering of UNAM through the Emilio Rosenblueth fellowship.
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Sandoval, C., Arnau, O. Experimental characterization and detailed micro-modeling of multi-perforated clay brick masonry structural response. Mater Struct 50, 34 (2017). https://doi.org/10.1617/s11527-016-0888-3
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DOI: https://doi.org/10.1617/s11527-016-0888-3